.dialog_box_main{
    position: absolute;
    /*display: none;*/
    z-index: 20;
    border: 1px black solid;
    margin-top: 50px;
    margin-left: 400px;
    width: 250px;
    height: 120px;
    background-color: #FFFFFF;
    padding-left: 15px;
    padding-top: 20px;
}
.button{
    border: 0;
    border-radius: 5px;
    padding: 0;
    width: 70px;
    height: 25px;
    margin-left: 10px;
    margin-right: 40px;
}